WBCS.LIVE practice question

Find the odd one out:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 27
  2. 64
  3. 81
  4. 125

Correct answer and explanation

Correct answer: 81

Explanation: āœ… Correct Answer: C) 81 šŸ“š Explanation: In this set, 27 (3 cubed), 64 (4 cubed), and 125 (5 cubed) are all perfect cubes. The number 81 is a perfect square (9 squared) but not a perfect cube. Therefore, 81 is the odd one out in this group of numbers. Identifying these mathematical properties is a common way to solve classification or "odd one out" puzzles.